( | x | − | 2 | ) | ( | x | + | 2 | ) | ( | x | + | 2 | ) | ( | x | + | 2 | ) | = | - | 16 |
方程左边 = | x | ( | x | + | 2 | ) | ( | x | + | 2 | ) | ( | x | + | 2 | ) | − | 2 | ( | x | + | 2 | ) | ( | x | + | 2 | ) | ( | x | + | 2 | ) |
= | x | x | ( | x | + | 2 | ) | ( | x | + | 2 | ) | + | x | × | 2 | ( | x | + | 2 | ) | ( | x | + | 2 | ) | − | 2 | ( | x | + | 2 | ) | ( | x | + | 2 | ) | ( | x | + | 2 | ) |
= | x | x | x | ( | x | + | 2 | ) | + | x | x | × | 2 | ( | x | + | 2 | ) | + | x | × | 2 | ( | x | + | 2 | ) | ( | x | + | 2 | ) |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | ( | x | + | 2 | ) |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |
= | x | x | x | x | + | x | x | x | × | 2 | + | x | x | × | 2 | x |